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The Arctic could soon be ice-free in the summer. Can geoengineering help?

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CLIMATE-CHANGE/SEA ICE

This summer, Arctic sea ice hit a near-record low, second only to 2012 as the biggest melt on record. By 2050, many project an ice-free summer Arctic; the Earth’s white cap would be gone. This week, What on Earth looks at a bold proposal to save ice with technology — and plans to protect what’s left.



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